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Titolo:
A randomized, controlled trial of bright light therapy for agitated behaviors in dementia patients residing in long-term care
Autore:
Lyketsos, CG; Veiel, LL; Baker, A; Steele, C;
Indirizzi:
Johns Hopkins Hosp, Sch Med, Dept Psychiat & Behav Sci, Baltimore, MD 21287 USA Johns Hopkins Hosp Baltimore MD USA 21287 av Sci, Baltimore, MD 21287 USA
Titolo Testata:
INTERNATIONAL JOURNAL OF GERIATRIC PSYCHIATRY
fascicolo: 7, volume: 14, anno: 1999,
pagine: 520 - 525
SICI:
0885-6230(199907)14:7<520:ARCTOB>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
SLEEP; DISTURBANCES; DISORDERS; DISEASE;
Keywords:
dementia; agitation; bright light therapy; nursing home;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Clinical Medicine
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Lyketsos, CG Johns Hopkins Hosp, Sch Med, Dept Psychiat & Behav Sci, Osler320, Baltimore, MD 21287 USA Johns Hopkins Hosp Osler 320 Baltimore MD USA21287 21287 USA
Citazione:
C.G. Lyketsos et al., "A randomized, controlled trial of bright light therapy for agitated behaviors in dementia patients residing in long-term care", INT J GER P, 14(7), 1999, pp. 520-525

Abstract

Background. Agitated behaviors are common in dementia patients residing inchronic care settings. Their occurrence may be associated with lack of adequate exposure to sunlight and with circadian rhythm disturbances. Objective. Prior research has suggested that bright light therapy (BLT) may reduce agitated behaviors in dementia patients. The aim of this study wasto test the efficacy of BLT in a randomized, controlled, crossover clinical trial. Method. Fifteen patients with dementia and agitated behaviors residing in a chronic care facility were randomized in a crossover design to morning BLT for 1 hour per day or to a control condition with dim light exposure. Patients were treated in either condition for 4 weeks, followed by 1 week on no treatment, prior to being crossed over to the other condition. Results. Eight out of 15 patients completed the entire study. The rest completed at least 2 weeks of study. Patients randomized to the BLT condition exhibited a statistically significant improvement in nocturnal sleep from amean of 6.4 hours/night to 8.1 hours/night 4 weeks later (p < 0.05). The sleep of patients in the control condition did not improve significantly. There were no other significant differences between baseline and follow-up, nor between BLT and control treated patients on the other outcome measures, which included the Behavioral Pathology in Alzheimer Disease scale (Behave-AD) and the Cornell Scale for Depression in Dementia. Conclusion. Patients with dementia in chronic care who exhibit agitated behaviors sleep more hours at night when administered morning BLT. However, BLT does not lead to improvements in agitated behaviors in institutionalizedpatients with dementia with non-disturbed sleep-wake cycles. Copyright (C)1999 John Wiley & Sons, Ltd.

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Documento generato il 05/07/20 alle ore 10:01:41